CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Activities:
Net Income	$ 60,078	$ 47,310
Adjustments to reconcile net income to net cash (used for) provided by operating activities:
Depreciation and amortization	16,807	18,782
Noncash compensation	7,066	4,590
Noncash income from financial services	(743)	(1,178)
Deferred income taxes	(2,006)	(1,402)
Tax effect of share-based compensation exercises	(6,484)	(2,452)
Changes in current operating items:
Trade receivables	(23,110)	(30,276)
Inventories	(13,249)	(5,395)
Accounts payable	35,452	18,576
Accrued expenses	(92,236)	(53,035)
Income taxes payable/receivable	31,063	12,359
Prepaid expenses and others, net	(13,300)	(3,095)
Net cash (used for) provided by operating activities	(662)	4,784
Investing Activities:
Purchase of property and equipment	(20,957)	(18,968)
Investment in finance affiliate, net	(1,227)	(170)
Net cash used for investing activities	(22,184)	(19,138)
Financing Activities:
Borrowings under credit agreement/capital lease obligations, net	553
Repurchase and retirement of common shares	(5,871)	(30,964)
Cash dividends to shareholders	(25,328)	(15,315)
Tax effect of proceeds from share-based compensation exercises	6,484	2,452
Proceeds from stock issuances under employee plans	6,529	9,005
Net cash used for financing activities	(17,633)	(34,822)
Impact of currency translation on cash balances	1,032	1,170
Net decrease in cash and cash equivalents	(39,447)	(48,006)
Cash and cash equivalents at beginning of period	325,336	393,927
Cash and cash equivalents at end of period	$ 285,889	$ 345,921